Math Calculators
Solve algebra, fractions, percentages, trigonometry, and number theory problems.
51 calculators available
Advanced Math
Average Calculator
Calculate the arithmetic mean, median, and weighted average of a data set.
Big Number Calculator
Add, subtract, and multiply very large integers that exceed normal calculator limits.
Half-Life Calculator
Calculate radioactive or exponential decay using half-life.
Root Calculator
Calculate square roots, cube roots, or any nth root of a number.
Scientific Calculator
Evaluate scientific functions: trig, log, exp, factorial.
Algebra
Absolute Value Calculator
Calculate the absolute value of numbers.
Exponent Calculator
Calculate powers and exponential expressions.
Inequality Solver
Solve linear inequalities of the form ax+b<c.
Log Calculator
Calculate logarithms with any base, including common (log₁₀) and natural (ln) logarithms.
Logarithm Calculator
Calculate logarithms of any base.
Matrix Calculator
Calculate the determinant, transpose, and inverse of a 2x2 or 3x3 matrix.
Permutation and Combination Calculator
Calculate permutations and combinations.
Cubic Equation Calculator
Solve cubic equations ax³+bx²+cx+d=0 and find all real and complex roots.
Quadratic Formula Calculator
Solve quadratic equations ax² + bx + c = 0 using the quadratic formula.
Square Root Calculator
Find square roots and nth roots of any number.
System of Equations Solver
Solve a 2x2 system of linear equations.
Basic Math
Basic Calculator
Perform addition, subtraction, multiplication, and division with step-by-step results.
Decimal to Fraction
Convert decimal numbers to fractions and mixed numbers.
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions.
GCD/LCM Calculator
Find the greatest common divisor and least common multiple of any numbers.
Long Division Calculator
Perform long division with complete step-by-step working showing quotient and remainder.
Modulo Calculator
Find the remainder of division between two numbers.
Percentage Calculator
Find percentages, increases, and differences between values.
Percent Error Calculator
Calculate the percent error between an experimental and theoretical value.
Prime Factorization Calculator
Break any number down into its prime factors.
Proportion Calculator
Solve proportions and find unknown values.
Random Number Generator
Generate random integers or decimals within a specified range.
Ratio Calculator
Solve and simplify ratios, find equivalent ratios, and scale proportionally.
Rounding Calculator
Round numbers to any decimal place or significant figure.
Scientific Notation Calculator
Convert between standard and scientific notation.
Calculus
Geometry
Distance Calculator
Calculate the distance between two points in 2D or 3D space.
Right Triangle Calculator
Calculate sides, angles, area, and perimeter of a right triangle given two known values.
Slope Calculator
Calculate the slope, distance, and equation of a line between two points.
Surface Area Calculator
Calculate the surface area of common 3D shapes including spheres, cylinders, cones, and boxes.
Number Systems
Number Theory
Common Factor Calculator
Find all common factors shared by two or more numbers.
Factor Calculator
Find all factors and factor pairs of a given integer.
Factorial Calculator
Calculate factorials and double factorials.
Fibonacci Generator
Generate Fibonacci sequence up to n terms.
Greatest Common Factor Calculator
Find the greatest common factor (GCD) of two or more numbers.
Least Common Multiple Calculator
Find the least common multiple of two or more numbers.
Number Sequence Calculator
Find the nth term and sum of arithmetic or geometric sequences.
Prime Number Checker
Check if a number is prime and find its prime factorization.
Series Summation Calculator
Calculate the sum of arithmetic or geometric series.
Trigonometry
About Math Calculators
Solve algebra, fractions, percentages, trigonometry, and number theory problems. CALTRX provides 51 free math calculators with step-by-step explanations, formulas, real-world examples, and expert tips. Every calculator is designed for clarity and accuracy, helping you understand not just the answer but the reasoning behind it.